<script setup>
import {ref, watch, onMounted} from 'vue';
import {queryPageApi, addEmpApi, queryInfoApi, updateEmpApi, deleteEmpApi} from '@/api/emp';
import {queryAllApi as queryAllDeptApi} from '@/api/dept';
import {ElMessage, ElMessageBox} from 'element-plus';

//搜索表单对象
const searchEmp = ref({name: '',gender: '',date: [],begin: '',end: ''});

//侦听searchEmp.date属性，当属性值改变时，将属性值赋给searchEmp.begin和searchEmp.end
watch(() =>  searchEmp.value.date, (newValue, oldValue) => {
  if (newValue.length == 2) {
    searchEmp.value.begin = newValue[0];
    searchEmp.value.end = newValue[1];
    
  } else {
    searchEmp.value.begin = '';
    searchEmp.value.end = '';
  }
})

//查询员工列表
const search = async () => {
  const result = await queryPageApi(searchEmp.value.name,searchEmp.value.gender,
            searchEmp.value.begin,searchEmp.value.end,currentPage.value,pageSize.value);
  if(result.code) {
    empList.value = result.data.rows;
    total.value = result.data.total;
  }
  console.log(searchEmp.value);
}

//构子函数
onMounted(() => {
  search();
  queryAllDepts();
})

//查询所有部门数据
const queryAllDepts = async () => {
  const result = await queryAllDeptApi();
  if(result.code) {
    depts.value = result.data;
  }
}

//清空
const clear = () => {
  searchEmp.value = {name: '',gender: '',date: [],begin: '',end: ''};
  search();
}

//员工列表数据
const empList = ref([]);

//分页
const currentPage = ref(1);//页码
const pageSize = ref(10);//每页显示多少条数据
const background = ref(true);//背景颜色
const total = ref(0);//总记录数

//每页展示记录数触发
const handleSizeChange = (val) => {
  search();
  console.log(`每页展示${val}条记录`)
}

//页码变化触发
const handleCurrentChange = (val) => {
  search();
  console.log(`当前页码:${val}`)
}

//新增/修改表单
const employee = ref({
  username: '',
  name: '',
  gender: '',
  phone: '',
  job: '',
  salary: '',
  deptId: '',
  entryDate: '',
  image: '',
  exprList: []
})

// 控制弹窗
const dialogVisible = ref(false)
const dialogTitle = ref('新增员工')

//文件上传
// 图片上传成功后触发
const handleAvatarSuccess = (response) => {
  employee.value.image = response.data;
}
// 文件上传之前触发
const beforeAvatarUpload = (rawFile) => {
  if (rawFile.type !== 'image/jpeg' && rawFile.type !== 'image/png') {
    ElMessage.error('只支持上传图片')
    return false
  } else if (rawFile.size / 1024 / 1024 > 10) {
    ElMessage.error('只能上传10M以内图片')
    return false
  }
  return true
}

// 新增员工
const addEmp = () => {
  dialogVisible.value = true;
  dialogTitle.value = '新增员工';
  employee.value = {name: '',gender: '',phone: '',job: '',salary: '',deptId: '',entryDate: '',image: '',exprList: []}
  //重置表单的校验信息
  if(empFormRef.value) {
    empFormRef.value.resetFields();
  }
}

//职位列表数据
const jobs = ref([{ name: '班主任', value: 1 },{ name: '讲师', value: 2 },{ name: '学工主管', value: 3 },{ name: '教研主管', value: 4 },{ name: '咨询师', value: 5 },{ name: '其他', value: 6 }])
//性别列表数据
const genders = ref([{ name: '男', value: 1 }, { name: '女', value: 2 }])
//部门列表数据
const depts = ref([])

//添加工作经历
const addExprItem = () => {
  employee.value.exprList.push({
    company: '',
    job: '',
    begin: '',
    end: '',
    exprDate: []
  })
}

//删除工作经历
const deleteExprItem = (index) => {
  employee.value.exprList.splice(index, 1);
}

//侦听employee员工对象中的工作经历信息
watch(() => employee.value.exprList, (newValue, oldValue) => {
  if(employee.value.exprList && employee.value.exprList.length > 0) {
    employee.value.exprList.forEach(expr => {
      expr.begin = expr.exprDate[0];
      expr.end = expr.exprDate[1];
    })
  }
}, {deep: true})

//保存员工
const save = async () => {
  //表单校验
  if (!empFormRef.value) return;
  empFormRef.value.validate(async (valid) => { //valid表示是否通过
    if (valid) { //通过
      let result;
      if (employee.value.id) {//修改
        result = await updateEmpApi(employee.value);
      } else {//新增
        result = await addEmpApi(employee.value);
      }

      if (result.code) {//成功
        ElMessage.success('员工保存成功');
        dialogVisible.value = false;
        search();
      } else {//失败
        ElMessage.error(result.msg);
      }
    } else {//不通过
      ElMessage.error('表单校验不通过');
    }
  })
}

//表单引用
const empFormRef = ref();

//表单校验规则
const rules = ref({
  username: [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 2, max: 20, message: '用户名长度应在2到20个字符之间', trigger: 'blur' }
  ],
  name: [
    { required: true, message: '请输入姓名', trigger: 'blur' },
    { min: 2, max: 10, message: '姓名长度应在2到10个字符之间', trigger: 'blur' }
  ],
  gender: [
    { required: true, message: '请选择性别', trigger: 'change' }
  ],
  phone: [
    { required: true, message: '请输入手机号', trigger: 'blur' },
    { pattern: /^1[3-9]\d{9}$/, message: '请输入有效的手机号', trigger: 'blur' }
  ]
});

//编辑员工信息
const edit = async (id) => {
  const result = await queryInfoApi(id);
  if (result.code) {
    dialogVisible.value = true;
    dialogTitle.value = '修改员工';
    employee.value = result.data;
    //对工作经历进行处理
    if (result.data.exprList && result.data.exprList.length > 0) {
      result.data.exprList.forEach(expr => {
        expr.exprDate = [expr.begin, expr.end];
      })
    }
  }

}

//删除员工信息
const deletById = async(id) => {
   //弹出确认框
  ElMessageBox.confirm('此操作将永久删除该员工, 是否继续?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    // 删除部门
    const result = await deleteEmpApi(id)
    if(result.code){
      ElMessage.success('删除成功')
      search()
    } else {
      ElMessage.error(result.msg);
    }
  })
}

//记录勾选的员工id
const selectedIds = ref([]);
//复选框发生勾选时触发 
const handleSelectionChange = (selection) => {
  selectedIds.value = selection.map(item => item.id)
}

//批量删除员工
const deletByIds = () => {
  ElMessageBox.confirm('此操作将永久删除该员工, 是否继续?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    // 删除员工
    if (selectedIds.value && selectedIds.value.length > 0) {
      const result = await deleteEmpApi(selectedIds.value)
      if (result.code) {
        ElMessage.success('删除成功')
        search()
      }
    } else {
      ElMessage.warning('你没有选择任何员工');
    }
  }
  )
}
</script>

<template>
  <h1>员工管理</h1>
  <!-- 搜索栏 -->
  <div class="container">
    <el-form :inline="true" :model="searchEmp" class="demo-form-inline">
      <el-form-item label="姓名">
        <el-input v-model="searchEmp.name" placeholder="请输入员工姓名"></el-input>
      </el-form-item>

      <el-form-item label="性别">
        <el-select v-model="searchEmp.gender" placeholder="请选择">
          <el-option label="男" value="1"></el-option>
          <el-option label="女" value="2"></el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="入职时间">
        <el-date-picker v-model="searchEmp.date" type="daterange" range-separator="至" start-placeholder="开始日期"
          end-placeholder="结束日期" value-format="YYYY-MM-DD"></el-date-picker>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" @click="search">查询</el-button>
        <el-button type="info" @click="clear">清空</el-button>
      </el-form-item>
    </el-form>
  </div>
  <!-- 功能按钮 -->
  <div class="container">
    <el-button type="primary" @click="addEmp">+新增</el-button>
    <el-button type="danger" @click="deletByIds">-批量删除</el-button>
  </div>
  <!-- 数据展示表格 -->
  <div class="container">
    <el-table :data="empList" border style="width: 100%;"  @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column prop="name" label="姓名" width="120" align="center" />
      <el-table-column label="性别" width="120" align="center">
        <template #default="scope">
          {{ scope.row.gender === 1 ? '男' : '女' }}
        </template>
      </el-table-column>
      <el-table-column prop="image" label="头像" width="120" align="center">
        <template #default="scope">
          <el-image :src="scope.row.image" style="width: 50px; height: 40px;"></el-image>
        </template>
      </el-table-column>
      <el-table-column prop="deptName" label="所属部门" width="120" align="center" />
      <el-table-column label="职位" width="120" align="center">
        <template #default="scope">
          <span v-if="scope.row.job === 1">班主任</span>
          <span v-else-if="scope.row.job === 2">讲师</span>
          <span v-else-if="scope.row.job === 3">学工主管</span>
          <span v-else-if="scope.row.job === 4">教研主管</span>
          <span v-else-if="scope.row.job === 5">咨询师</span>
          <span v-else>其他</span>
        </template>
      </el-table-column>
      <el-table-column prop="entryDate" label="入职日期" width="180" align="center" />
      <el-table-column prop="updateTime" label="最后操作时间" width="200" align="center" />
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button size="small" type="primary" @click="edit(scope.row.id)"><el-icon>
              <Edit />
            </el-icon>编辑</el-button>
          <el-button size="small" type="danger" @click="deletById(scope.row.id)"><el-icon>
              <DeleteFilled />
            </el-icon>删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
  <!-- 分页条 -->
  <el-pagination v-model:current-page="currentPage" v-model:page-size="pageSize"
    :page-sizes="[5, 10, 20, 30, 50, 75, 100]" :background="background" layout="total, sizes, prev, pager, next, jumper"
    :total @size-change="handleSizeChange" @current-change="handleCurrentChange" />
  <!-- 新增/修改员工的对话框 -->
  <el-dialog v-model="dialogVisible" :title="dialogTitle">
      <el-form :model="employee" label-width="80px" :rules="rules" ref="empFormRef"> 
        <!-- 基本信息 -->
        <!-- 第一行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="用户名" prop="username">
              <el-input v-model="employee.username" placeholder="请输入员工用户名，2-20个字"></el-input>
            </el-form-item>
          </el-col>
          
          <el-col :span="12">
            <el-form-item label="姓名" prop="name">
              <el-input v-model="employee.name" placeholder="请输入员工姓名，2-10个字"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第二行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="性别" prop="gender">
              <el-select v-model="employee.gender" placeholder="请选择性别" style="width: 100%;">
                <el-option v-for="item in genders" :key="item.value" :label="item.name" :value="item.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="手机号" prop="phone">
              <el-input v-model="employee.phone" placeholder="请输入员工手机号"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第三行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="职位">
              <el-select v-model="employee.job" placeholder="请选择职位" style="width: 100%;">
                <el-option v-for="item in jobs" :key="item.value" :label="item.name" :value="item.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="薪资">
              <el-input v-model="employee.salary" placeholder="请输入员工薪资"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第四行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="所属部门">
              <el-select v-model="employee.deptId" placeholder="请选择部门" style="width: 100%;">
                <el-option v-for="item in depts" :key="item.id" :label="item.name" :value="item.id"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="入职日期">
              <el-date-picker v-model="employee.entryDate" type="date" style="width: 100%;" placeholder="选择日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD"></el-date-picker>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第五行 -->
        <el-row :gutter="20">
          <el-col :span="24">
            <el-form-item label="头像">
              <el-upload
                class="avatar-uploader"
                action="/api/upload"
                :show-file-list="false"
                :on-success="handleAvatarSuccess"
                :before-upload="beforeAvatarUpload"
                >
                <img v-if="employee.image" :src="employee.image" class="avatar" />
                <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
              </el-upload>
            </el-form-item>
          </el-col>
        </el-row>
        

        <!-- 工作经历 -->
        <!-- 第六行 -->
        <el-row :gutter="10">
          <el-col :span="24">
            <el-form-item label="工作经历">
              <el-button type="success" size="small" @click="addExprItem">+ 添加工作经历</el-button>
            </el-form-item>
          </el-col>
        </el-row>
        
        <!-- 第七行 ...  工作经历 -->
        <el-row :gutter="3" v-for="expr in employee.exprList" >
          <el-col :span="10">
            <el-form-item size="small" label="时间" label-width="80px">
              <el-date-picker type="daterange" v-model="expr.exprDate" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD" ></el-date-picker>
            </el-form-item>
          </el-col>

          <el-col :span="6">
            <el-form-item size="small" label="公司" label-width="60px">
              <el-input placeholder="请输入公司名称" v-model="expr.company"></el-input>
            </el-form-item>
          </el-col>

          <el-col :span="6">
            <el-form-item size="small" label="职位" label-width="60px">
              <el-input placeholder="请输入职位" v-model="expr.job"></el-input>
            </el-form-item>
          </el-col>

          <el-col :span="2">
            <el-form-item size="small" label-width="0px">
              <el-button type="danger" @click = "deleteExprItem(index)">- 删除</el-button>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      
      <!-- 底部按钮 -->
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="save">保存</el-button>
        </span>
      </template>
  </el-dialog>
</template>

<style scoped>
.container {
  margin: 10px 0px;
}
.avatar {
  height: 40px;
}
.avatar-uploader .avatar {
  width: 78px;
  height: 78px;
  display: block;
}
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 78px;
  height: 78px;
  text-align: center;
  border-radius: 10px;
  /* 添加灰色的虚线边框 */
  border: 1px dashed var(--el-border-color);
}
</style>